package com.heima.behavior.service.impl;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApReadBehaviorService;
import com.heima.common.constants.article.HotArticleConstants;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.ReadBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApReadBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.mess.app.UpdateArticleMess;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
@Slf4j
public class ApReadBehaviorServiceImpl implements ApReadBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;
    @Autowired
    StringRedisTemplate redisTemplate;

    @Autowired
    RabbitTemplate template;

    @Override
    public ResponseResult readBehavior(ReadBehaviorDTO dto) {
        //1. 校验参数 文章id必须传
        ApUser user = AppThreadLocalUtils.getUser();
        ApBehaviorEntry behaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user == null ? null : user.getId(), dto.getEquipmentId());
        //2. 根据登录用户id 或 设备id查询行为实体数据(阅读操作可不登录)
        if(behaviorEntry == null){
            CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST,"行为实体查询不到");
        }
        //3. 判断阅读行为是否存在
        Query query = Query.query(Criteria.where("entryId").is(behaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApReadBehavior readBehavior = mongoTemplate.findOne(query, ApReadBehavior.class);
        if(readBehavior != null){
            //4. 存在  将阅读行为的count字段加1 并修改
            readBehavior.setCount((short)(readBehavior.getCount()+1));
            mongoTemplate.save(readBehavior);
        }else{
            //5. 不存在  创建阅读行为 并初始化count字段值为 1
           readBehavior = new ApReadBehavior();
           readBehavior.setEntryId(behaviorEntry.getId());
           readBehavior.setArticleId(dto.getArticleId());
           readBehavior.setCount((short)1);
           readBehavior.setCreatedTime(new Date());
           readBehavior.setUpdatedTime(new Date());
           mongoTemplate.save(readBehavior);
        }
        UpdateArticleMess mess = new UpdateArticleMess();
        mess.setType(UpdateArticleMess.UpdateArticleType.VIEWS);
        mess.setArticleId(dto.getArticleId());
        mess.setAdd(1);
        template.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, JSON.toJSONString(mess));
        log.info("阅读行为 发送信息 ==> {}",mess);
        return ResponseResult.okResult();
    }
}
